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An Investigation Of The Pore Size Distribution Of Geotextiles And Other Materials By The Bubble Point Method
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Book Synopsis An Investigation of the Pore Size Distribution of Geotextiles and Other Materials by the Bubble Point Method by : Douglas P. D'Hondt
Download or read book An Investigation of the Pore Size Distribution of Geotextiles and Other Materials by the Bubble Point Method written by Douglas P. D'Hondt and published by . This book was released on 2005 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Application of the Bubble Point Method to the Characterization of the Pore-Size Distribution of Geotextiles by : SK. Bhatia
Download or read book Application of the Bubble Point Method to the Characterization of the Pore-Size Distribution of Geotextiles written by SK. Bhatia and published by . This book was released on 1995 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the design of a geotextile as a filter, reliable information about the pore-size distribution of the geotextile is needed. The bubble point method is one technique that is able to provide this information for a geotextile. The bubble point method is a simple and rapid technique for evaluating pore-size distributions of virgin, clogged, and stretched geotextiles. In addition, the bubble point equipment is also capable of providing information as to the degree of clogging within a geotextile and the permeability of a geotextile. The geotextile pore-size distribution results obtained by the bubble point method showed good repeatability. However, the bubble point method was only able to distinguish between geotextiles that had significantly different cross sections. Pore-size distribution results for geotextiles with similar cross sections, but of increasing thickness, were very similar. The dry sieving (ASTM D 4751), hydrodynamic sieving (CAN/CGSB-148.1-10), AND WET SIEVING (sw-640550-83) METHODS ARE GENERALLY only useful for evaluating the larger pore openings (O95, O90) of the geotextiles. In addition, the methods are time consuming. The mercury intrusion porosimetry method (ASTM D 4404) was also performed; however, there was little difference in pore-size distribution results for any of the 28 different geotextiles tested (Smith 1993). There are also environmental concerns with using mercury. The bubble point method showed potential for characterizing the pore-size distribution of geotextiles.
Book Synopsis Comparative Evaluation of Geotextile Pore Sizes Using Bubble Point Test and Image Analysis by : AH. Aydilek
Download or read book Comparative Evaluation of Geotextile Pore Sizes Using Bubble Point Test and Image Analysis written by AH. Aydilek and published by . This book was released on 2007 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis of the filtration performance of a geotextile filter necessitates accurate information about the size distribution of geotextile pore openings. The effectiveness of the bubble point test in determining the pore and constriction sizes of geotextiles was evaluated. The characteristic woven geotextile pore and nonwoven geotextile constriction sizes, O95, were determined for a variety of specimens and compared with both the manufacturers' reported AOS values, and with those determined from the two previously developed image-based procedures and theoretical equations. The results indicated that the O95 sizes of woven mono and multifilament geotextiles determined by image analyses compared well with the AOS values, whereas the same observations were not made for the bubble point-based O95 sizes. The O95 constriction sizes of various nonwoven geotextiles obtained by the bubble point test were not comparable to the manufacturers' reported AOS values, indicating the limitation of ASTM D 4751 in determining constriction sizes. A direct method, such as image analysis, may be a better approach for determining the pore sizes of woven geotextiles, whereas the bubble point method should be preferred to determine constriction sizes in a nonwoven geotextile. Recommendations are made in regard to improvements in the current ASTM standard on bubble point testing.
Book Synopsis Recent Developments in Geotextile Filters and Prefabricated Drainage Geocomposites by : Shobha Krishna Bhatia
Download or read book Recent Developments in Geotextile Filters and Prefabricated Drainage Geocomposites written by Shobha Krishna Bhatia and published by ASTM International. This book was released on 1996 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides information on woven and non-woven geotextiles used for filtering and drainage in geotechnical engineering. The design of such filters balances large pores for adequate permeability with smaller pores for proper soil retention. Of the 15 papers from a June 1995 symposium in Denver, Colorado
Book Synopsis Analysis of the Bubblepoint Test for Determining the Pore Size Distribution of Geotexiles by : David L. Howie
Download or read book Analysis of the Bubblepoint Test for Determining the Pore Size Distribution of Geotexiles written by David L. Howie and published by . This book was released on 2002 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Nonwovens by : S. J. Russell
Download or read book Handbook of Nonwovens written by S. J. Russell and published by Woodhead Publishing. This book was released on 2022-05-31 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Nonwovens, Second Edition updates and expands its popular interdisciplinary treatment of the properties, processing, and applications of nonwovens. Initial chapters review the development of the industry and the different classes of nonwoven material. The book then discusses methods of manufacture such as dry-laid, wet-laid, and polymer-laid web formation. Other techniques analyzed include mechanical, thermal, and chemical bonding, as well as chemical and mechanical finishing systems. The book concludes by assessing the characterization, testing, and modeling of nonwoven materials.Covering an unmatched range of materials with a variety of compositions and manufacturing routes, this remains the indispensable reference to nonwovens for designers, engineers, materials scientists, and researchers, particularly those interested in the manufacturing of automotive, aerospace, and medical products. Nonwovens are a unique class of textile material formed from fibers that are bonded together through various means to form a coherent structure. The range of properties they can embody make them an important part of a range of innovative products and solutions, which continues to attract interest from industry as well as academia. - Describes in detail the manufacturing processes of a range of nonwoven materials - Provides detailed coverage of the mechanical and thermal properties of non-woven fabrics - Includes extensive updates throughout on the characterization and testing of nonwovens - Explains how to model nonwoven structures
Download or read book Géotechnique written by and published by . This book was released on 2002 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Materials Behavior by : Mihai Ciocoiu
Download or read book Materials Behavior written by Mihai Ciocoiu and published by CRC Press. This book was released on 2018-06-26 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of advanced materials has become extremely important in the last decade, being widely used in academic and industrial research. This book examines the potential of advanced materials as well as nanotechnology to improve fiber science from fibril to fabric mode, to create better materials and products for a variety of aspects. The book presents research advances in materials behavior using fractal analysis, mathematical modeling and simulation, and other methods. Examined are electrical, mechanical, optical, and magnetic properties; size; morphology; and chemical behavior of such materials as aerogels, polymer films, nanocomposite materials, natural composites, catalysis, and more with a view to their application in the medical, engineering, and textile fields. With chapters written by eminent scientists, the book offers valuable information for academics, researchers, and engineering professionals. Contributions range from new methods to novel applications of existing methods to help readers gain understanding of the material and/or structural behavior of new and advanced systems.
Book Synopsis Evaluating Geotextile Pore Structure by : BR. Christopher
Download or read book Evaluating Geotextile Pore Structure written by BR. Christopher and published by . This book was released on 1996 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are many test methods available to determine the pore sizes of geotextile filters. Often overlooked is the fact that each method provides a different interpretation of a geotextile's pore structure. A survey of the available test methods, indicates that four categories of pores can be measured. Pore characteristics are identified by one of the following methodologies: sieving, theoretical, volumetric, and numerical. A critical review of the data produced by these methods shows that the actual pore structure as related to flow-through behavior can only be determined by the bubble point method, which provides a volumetric pore size. This test identifies the constriction size of each pore channel in a geotextile, where retention and clogging are most critical. The bubble point test method is advantageous because it provides for the complete pore size distribution of the geotextile, can be performed more efficiently than sieving methods, and provides an accurate estimate of the permeability of the geotextile.
Book Synopsis Determination of the Pore Size Distribution of Nonwoven Geotextiles by a Modified Capillary Flow Porometry Technique by : J. Mlynarek
Download or read book Determination of the Pore Size Distribution of Nonwoven Geotextiles by a Modified Capillary Flow Porometry Technique written by J. Mlynarek and published by . This book was released on 1996 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: The capillary flow porometry(CFP)technique, known as the bubble point method, has been applied to measure the entire pore size distribution (PSD)of nonwoven geotextiles.
Book Synopsis ASTM Special Technical Publication by :
Download or read book ASTM Special Technical Publication written by and published by . This book was released on 1961 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Technical Nonwovens by : George Kellie
Download or read book Advances in Technical Nonwovens written by George Kellie and published by Woodhead Publishing. This book was released on 2016-05-17 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Technical Nonwovens presents the latest information on the nonwovens industry, a dynamic and fast-growing industry with recent technological innovations that are leading to the development of novel end-use applications. The book reviews key developments in technical nonwoven manufacturing, specialist materials, and applications, with Part One covering important developments in materials and manufacturing technologies, including chapters devoted to fibers for technical nonwovens, the use of green recycled and biopolymer materials, and the application of nanofibres. The testing of nonwoven properties and the specialist area of composite nonwovens are also reviewed, with Part Two offering a detailed and wide-ranging overview of the many applications of technical nonwovens that includes chapters on automotive textiles, filtration, energy applications, geo- and agrotextiles, construction, furnishing, packaging and medical and hygiene products. - Provides systematic coverage of trends, developments, and new technology in the field of technical nonwovens - Focuses on the needs of the nonwovens industry with a clear emphasis on applied technology - Contains contributions from an international team of authors edited by an expert in the field - Offers a detailed and wide-ranging overview of the many applications of technical nonwovens that includes chapters on automotive textiles, filtration, energy applications, geo- and agrotextiles, and more
Book Synopsis Engineering Textiles by : Alexandr A. Berlin
Download or read book Engineering Textiles written by Alexandr A. Berlin and published by CRC Press. This book was released on 2015-09-03 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides the textile science community with a forum for critical, authoritative evaluations of advances in the discipline of textile engineering. Reporting on recent advances with significant applications in textile engineering, the chapters are written by internationally recognized researchers. This book covers a multitude of important concepts and advances in the field, including: Applications of nonwovens in textile engineering; Textile waste treatment for use in emulsion rubbers; Parameters of polyhydroxybutyrate nanofibers; Preparation of amines for use in textile engineering; Progress in photovoltaic textile; New applications in nanoengineering materials in the textile industry
Download or read book Highway Research Abstracts written by and published by . This book was released on 1994 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparisons Between Geotextile Pore Sizes Obtained from Capillary Flow And Dry Sieving Tests by : Nuzhath Fatema
Download or read book Comparisons Between Geotextile Pore Sizes Obtained from Capillary Flow And Dry Sieving Tests written by Nuzhath Fatema and published by . This book was released on 2020 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the United States of America, two standard methods of measuring the largest pore size of a geotextile have been accepted: Dry Sieving Test (ASTM D4751, Standard Test Methods for Determining Apparent Opening Size of a Geotextile ) and Capillary Flow Test (ASTM D6767, Standard Test Method for Pore Size Characteristics of Geotextiles by Capillary Flow Test ). Despite several drawbacks of Dry Sieving Tests, such as the amount of time required; tendency of glass beads to become trapped, including trapping of glass beads inside the geotextiles; likelihood of imprecise preparation of glass beads; and potential electrostatic effects, the largest pore size (apparent opening size [AOS], O 95 ) results obtained from Dry Sieving Test still determines many filtration criteria. Although the Capillary Flow Test was approved in 2002, it is still not widely adopted, despite the fact that it provides the largest pore size (Bubble Point, O 98 ) and a complete pore size distribution of a geotextile. Decades of analyses searched for a correlation between the Dry Sieving and Capillary Flow Test results; however, none of them have been widely accepted because of the limited number of geotextiles used and a lack of proper calibration. The current study investigates a possible correlation between the Dry Sieving and Capillary Flow Test results with 51 woven, nonwoven, and composite geotextiles. The Capillary Flow Porometer was calibrated using four thin metal plates with known pore openings and two membranes. This study describes the challenges experienced during the Capillary Flow Test and factors affecting the test results. One finding is that the cleaning of calibration materials and equipment with Methanol plays an important role in the Capillary Flow Test results. The use of different shape factors, contact angles, and wetting liquids in the analyses are also considered. The outliers of Capillary Flow Test results were removed from the analysis using a box plot and whisker diagram, and a good correlation between AOS and Bubble Point ( R 2 =0.78) was established.
Book Synopsis Bubblepoint Testing of Geotextiles by : DJ. Elton
Download or read book Bubblepoint Testing of Geotextiles written by DJ. Elton and published by . This book was released on 2007 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: A simple, inexpensive device for measuring geotextile pore sizes, using ASTM D 6767, is described and its operation is outlined with guidance for correct operation. The accuracy and consistency of the test are shown. The test appears to have better consistency than the apparent opening size (AOS) test, avoids the inherent and operator-dependent problems of theAOS test, and further, describes the entire pore size distribution of a geotextile, making it useful for developing a more complete filter criterion. Suggestions are made for improving ASTM D 6767.
Book Synopsis Discussion "Comparative Evaluation of Geotextile Pore Sizes Using Bubble Point Test and Image Analysis" by Aydilek, A. H., D'Hondt, D., and Holtz, R.D. by : David J. Elton
Download or read book Discussion "Comparative Evaluation of Geotextile Pore Sizes Using Bubble Point Test and Image Analysis" by Aydilek, A. H., D'Hondt, D., and Holtz, R.D. written by David J. Elton and published by . This book was released on 2008 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
